|
| |
|
|
A044350
|
|
Numbers n such that string 1,8 occurs in the base 10 representation of n but not of n-1.
|
|
0
| |
|
|
18, 118, 180, 218, 318, 418, 518, 618, 718, 818, 918, 1018, 1118, 1180, 1218, 1318, 1418, 1518, 1618, 1718, 1800, 1918, 2018, 2118, 2180, 2218, 2318, 2418, 2518, 2618, 2718, 2818, 2918, 3018, 3118, 3180, 3218, 3318, 3418
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
MATHEMATICA
| Select[Range[3500], MemberQ[Partition[IntegerDigits[#], 2, 1], {1, 8}] && !MemberQ[Partition[IntegerDigits[#-1], 2, 1], {1, 8}]&] (* From Harvey P. Dale, Apr 11 2011 *)
|
|
|
CROSSREFS
| Sequence in context: A207103 A101089 A022678 * A044731 A190705 A108648
Adjacent sequences: A044347 A044348 A044349 * A044351 A044352 A044353
|
|
|
KEYWORD
| nonn,base
|
|
|
AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
|
| |
|
|
